{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:48.327144", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2019-May-20_to_2019-May-22_13.5_24.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2019050002356}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "May 20 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 22 2019"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 50672.72951148641}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Libya"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 24.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 13.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "13.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 12.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.35, 24.25], [12.25, 24.5], [12.47, 25.03], [12.82, 25.18], [12.97, 25.53], [13.5, 25.75], [13.75, 25.65], [14.0, 25.75], [14.25, 25.65], [14.5, 25.75], [15.0, 25.54], [15.5, 25.75], [16.03, 25.53], [16.18, 25.18], [16.25, 25.15], [16.5, 25.25], [17.03, 25.03], [17.18, 24.68], [17.53, 24.53], [17.75, 24.0], [17.53, 23.47], [17.0, 23.25], [16.47, 23.47], [16.32, 23.82], [16.25, 23.85], [16.0, 23.75], [15.75, 23.85], [15.5, 23.75], [15.25, 23.85], [15.0, 23.75], [14.75, 23.85], [14.68, 23.82], [14.53, 23.47], [14.18, 23.32], [14.03, 22.97], [13.5, 22.75], [13.25, 22.85], [13.0, 22.75], [12.47, 22.97], [12.25, 23.5], [12.35, 23.75], [12.25, 24.0], [12.35, 24.25]]]]}, "2019-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.35, 24.25], [12.25, 24.5], [12.47, 25.03], [12.82, 25.18], [12.97, 25.53], [13.5, 25.75], [13.75, 25.65], [14.0, 25.75], [14.25, 25.65], [14.5, 25.75], [15.0, 25.54], [15.5, 25.75], [16.03, 25.53], [16.18, 25.18], [16.25, 25.15], [16.5, 25.25], [17.03, 25.03], [17.18, 24.68], [17.53, 24.53], [17.75, 24.0], [17.53, 23.47], [17.0, 23.25], [16.47, 23.47], [16.32, 23.82], [16.25, 23.85], [16.0, 23.75], [15.75, 23.85], [15.5, 23.75], [15.25, 23.85], [15.0, 23.75], [14.75, 23.85], [14.68, 23.82], [14.53, 23.47], [14.18, 23.32], [14.03, 22.97], [13.5, 22.75], [13.25, 22.85], [13.0, 22.75], [12.47, 22.97], [12.25, 23.5], [12.35, 23.75], [12.25, 24.0], [12.35, 24.25]]]]}, "2019-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.35, 24.25], [12.25, 24.5], [12.47, 25.03], [12.82, 25.18], [12.97, 25.53], [13.5, 25.75], [13.75, 25.65], [14.0, 25.75], [14.25, 25.65], [14.5, 25.75], [15.0, 25.54], [15.5, 25.75], [16.03, 25.53], [16.18, 25.18], [16.25, 25.15], [16.5, 25.25], [17.03, 25.03], [17.18, 24.68], [17.53, 24.53], [17.75, 24.0], [17.53, 23.47], [17.0, 23.25], [16.47, 23.47], [16.32, 23.82], [16.25, 23.85], [16.0, 23.75], [15.75, 23.85], [15.5, 23.75], [15.25, 23.85], [15.0, 23.75], [14.75, 23.85], [14.68, 23.82], [14.53, 23.47], [14.18, 23.32], [14.03, 22.97], [13.5, 22.75], [13.25, 22.85], [13.0, 22.75], [12.47, 22.97], [12.25, 23.5], [12.35, 23.75], [12.25, 24.0], [12.35, 24.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.600626972084797}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.364754488543134}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.09091940223499, 34.4897295115652, 33.92005617120219]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.4078285952948, 35.56046942052717, 35.05466917402356]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.425772035170777, 4.688606639807968, 3.979884790650658]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.218203529368964, 5.600626972084797, 5.1159614047102195]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5625820531263384, 1.6509328426151293, 1.4155997451908786]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7149906720873462, 1.9268645811252332, 1.8317305178597452]}}